Keystones — Lintel
Five GCSE retrieval questions · 22 August 2024 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 141. What are the numbers?
Answer: 46, 47, and 48 -
2. Algebra
Factorise: 2x² + 8x
Answer: 2x(x + 4) -
3. Geometry
Find the distance between (0, -4) and (11, 3)
Answer: 13.04 -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
Find the range of: 47, 17, -19, 8, -3
Answer: 66